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Technical Data Sheet
PartsTable / COMPONENT / 55A47A25
55A47A25 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, outside_diameter: 3.000 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.500 INCHES NOMINAL IN, fsc_application_data: TRAILER,AIR-NITROGEN SERVICING,AIRCRAFT, cross-sectional_thickness: 0.187 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-551-1934, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
55A47A25
NSN: 5330-00-551-1934
FSC: 5330
CAGE: 56190 — METADURE PARTS & SALES, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
outside_diameter3.000 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.500 INCHES NOMINAL IN
fsc_application_dataTRAILER,AIR-NITROGEN SERVICING,AIRCRAFT
cross-sectional_thickness0.187 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-551-1934
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55A47A25 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
APERTURE DIAMETER: 2.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.187 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
FSC APPLICATION DATA: TRAILER,AIR-NITROGEN SERVICING,AIRCRAFT
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER2.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.187 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIALRUBBER SYNTHETIC OVERALL
FSC APPLICATION DATATRAILER,AIR-NITROGEN SERVICING,AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MS35290-74Interchangeable
interchangeable cross-reference
interchangeable
100034Interchangeable
interchangeable cross-reference
interchangeable
ST4645012HE0001Interchangeable
interchangeable cross-reference
interchangeable
4384Interchangeable
interchangeable cross-reference
interchangeable
100-034-401Interchangeable
interchangeable cross-reference
interchangeable
912082-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55A47A25?
55A47A25 is a GASKET.
What parts can replace 55A47A25?
There are 17 known substitutes for 55A47A25: MS35290-74, 100034, ST4645012HE0001 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55A47A25?
55A47A25 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-551-1934. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026